Stone-cutting machine



May 3 1927' E. BoL'ToN ET AL STONE CUTTING MACHINE y 2 Sheets-Sheet l v Filed June 19 1926 Inzvtor I? B.B0 rv Za 7' 5 .50 Z

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E. BOLTON ET AL STONE CUTTING MACHINE Filed June 19 1926 2 Sheets-Sheet 2 @opge/@Q00 ggg'. 4a.

/7 1' l /z J l l I| f3 L MA M @/I, 1 (Q /23 ,9 L l Inventor -Toln/ Attorney Patented May 3, 1927.

' UNITED STATES Ari-:ENT 'olrigc'e.

` EARL BOLTON AND `FLOYD n. BOLTON, ,or ',rULsa,orrrnfirioii/IA. A l' `STONE-OrriviINe MACHINE.

Application mea June 19,1926. serial No. 117,094. g 1 f This invention relates to an Y improved `stone cutting machine which is especially, but not necessarily, adapted; for severing arcuate bodies of stone yinto segments such as may be more conveniently handled .in stone construction work. y

At'the present time, stone cutting inachineswith which We are familiar are of such construction that considerable difficulty isk experienced in properly and accurately severingarcuate lblocks into uniform segments or segments of desired sizes, this beingl due to the fact that much time. and 1nconvenience is experienced in striking the proper radial line of cut on the block of stone.

The present invention, therefore, has reference to a structure which ermits the present apparatus to be modi ed. to move the block of stone to position with respect to the path of movement of the circular cutting saw to insure proper radial cuts through `the blocks for dividingV the sameinto equal segments or segments of the desired proportion. i

Briefly, the invention simply has refer` ence to a swingably mounted support for the stone block, this being pivotally connected at one end on one of the usual roller supported cars and being supported by rollers at its opposite ends on a complemental car, whereby upon anchoring the first named car to the track,'and moving the complemental car, the support may be swung to a position to properly line the block of stone with the traveling saw on the machine.`

The features and advantages of the improved construction will become apparent from the following description and drawinvs. v

n the accompanying drawings forming av part of this application `and in which like numerals are employed to designate like parts throughout the same, y

Figure 1 is a side view of a machine reconstructed in accordance with tliepresent invention.

Figure 2 is a horizontal section taken approximately upon the plane of the line 2-2 of Figure 1.

Figure 3 is a bot-tom plan view of the swingably mounted supplemental block supporting member.

right to left in Figure 1. y

Referring to the "drawings inv detail 1t Figure 4 is an end elevation looking from f will be seen that thevreference :characterwl designates generally the usual, cuttingma- Y chine which includes among other parts, supporting standards 2," braces 3, a drive pulleyjt, customary circular cutting saw 5,

gearing 6,v and` so on.,` `Extending beneath 1 vthe top beam of themachine are the rails 7 of a pair of tracks upon `which cars 8 and 9k are supported for movement.` Tlieseare ,the customary carrier cars of the klovvdown type;` The block, of stone is represented by the reference character 10, and as before stated, a supplemental supporting member p11 is provided for support. The supporting member comprises a platform 12 upon which the stone block is placed, there being ap propriately arranged rollers 13 supported on the under side of this to facilitate swinging in an arcuate path when the rcar 9 1s moved. Extending from the center of the rear ofthis platform is a supporting beam 14 which is shown in Figure 3 as'provided with a plurality of longitudinally spacedv holes 15 for selective reception upon the pivot pin 16 on the car 8. It will be noted that the ivot 16 is supported on a mound which maintains the beam 14 in a plane with the supporting rollers 13, and thisy disposes the block of stone in a position tobe cut by the saw 5; Then too, there isa pin 17 rigidly mounted upon the platform of the car 9 in a position to engage one of the side braces 18 disposed between the platform 12 and the intermediate portion of the beam 14.

In operation the car 8 is made fast to its supporting rails 7 by appropriate clamps,

the samebeing arranged so that the pivotal i connection 16 between it and the beam 14,

Will be severed at a point centrally of its ends. However, by moving the car 9, the

supporting member 11 will be moved with it about thefpivot 16 and owing to the arcuate movement of the supporting member, it will dispose the next portion of the stone ina j position to insure the proper *radial* out. Obviously, this arrangement and association will permit the stone block to be severed into accurate arcuate segment.

Undoubtedly, by considering the description in connection with the drawings, per` sons familiar with the structures, of this class will be able to yobtain a clear understanding of the same. Therefore, a more detailed description is thought unnecessary.

Minor changes coming Within the field of invention claimed may be resorted .to if desired.

Having thus described the invention, what we claim as new and desire to secure by Letters Patent isz--v l. In a structure ofthe class described, a supporting` structure, a cutting saw mounted thereon, .spaced tracksI disposed .beneath said supportingl structure, roller supported cars mounted on said track, one of said cars being lixed to the rails of its respective tracks, and the othercarbeing movably supported on the rails of its respective tracks,

`and a stone suliiporting` member pivotally connected at one end to the stationarycar connected with the rails of its respective.

tracks, the other car being movably mounted on the railsoi its track, a cutting saw mounted above .said car, and stone supporting member. including .a `platform upon which the .stone is adapted to be disposed, and a beam extending from said platform and pivot-ally connected to the ixedly. mounted car at a point beneath said cutting saw, and rollers carried by saidplati'orm and movably arranged on the relatively movable car.

ln testimony Whereoil We aix our signatures.

FLOYD D. BOLTON.

BOLTON. 

